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Twenty years of the Weyl anomaly
Twenty years of the Weyl anomaly

Experimental nonlocal and surreal Bohmian trajectories
Experimental nonlocal and surreal Bohmian trajectories

... to the theory (as in other interpretations of quantum mechanics) but is rather due to the evolution of the global wave function, describing the interaction of the particle of interest with a measurement device that has its own Bohmian degrees of freedom. Although a single particle’s trajectory canno ...
L scher.pdf
L scher.pdf

950 - IACR
950 - IACR

... would get an everlastingly secure OT using a CRS, but a generalization of Lo’s impossibility shows that no everlastingly secure OT protocols exist even given a CRS (see Section 3).2 (See also page 12 for another view on the problem in the quantum case.) Quantum everlasting universal composability. T ...
algunos resultados asociados a problemas
algunos resultados asociados a problemas

Bohr`s quantum postulate and time in quantum mechanics
Bohr`s quantum postulate and time in quantum mechanics

Cryogenic Control Architecture for Large
Cryogenic Control Architecture for Large

... Solid-state qubits have recently advanced to the level that enables them, in principle, to be scaled up into fault-tolerant quantum computers. As these physical qubits continue to advance, meeting the challenge of realizing a quantum machine will also require the development of new supporting device ...
Spontaneous Formation of Magnetic Moments and Dephasing in Two-Dimensional Disordered Systems
Spontaneous Formation of Magnetic Moments and Dephasing in Two-Dimensional Disordered Systems

... function is maintained - is one of the fundamental properties in quantum mechanics, and is especially important for mesoscopic systems where the coherence length is of the order of the sample size. From basic quantum mechanical arguments, one expects that as the temperature goes down the external de ...
PDF only - at www.arxiv.org.
PDF only - at www.arxiv.org.

contribution to the quantum theory of light scattering
contribution to the quantum theory of light scattering

Driven coherent oscillations of a single electron spin in a quantum dot
Driven coherent oscillations of a single electron spin in a quantum dot

... electron always resides in the right dot, and a second electron can tunnel from the left reservoir to the left dot (Fig. 1c and Supplementary Fig. S2). If this electron forms a double-dot singlet state with the electron in the right dot (S=↑↓−↓↑; normalization omitted for brevity), it is possible fo ...
Untitled
Untitled

... There is a rich literature on this theory and its problems, for which there is unfortunately little time or space available here. The reader may consult Rovelli (2003) or the review article by Kiefer (2005). ...
Geometrical Aspects of Conformal Quantum Field Theory
Geometrical Aspects of Conformal Quantum Field Theory

... models—the mini–landscape—exhibiting the complete MSSM spectrum and absence of exotic particles at the same time. This makes the mini–landscape a promising “ballpark” where to look for the string vacuum which might describe our reality. It would be of great interest to further investigate the mini–l ...
View PDF - CiteSeerX
View PDF - CiteSeerX

Physics through Extra Dimensions: On Dualities, Unification, and Pair Production
Physics through Extra Dimensions: On Dualities, Unification, and Pair Production

... I have been very fortunate and privileged to have had the opportunity to work with and learn from some of the greatest minds of physics today. I am grateful to Professor Edward Witten, my advisor, for stimulating discussions and for his time and dedication. I cherish every moment of our work togethe ...
Quantum Channels - Institut Camille Jordan
Quantum Channels - Institut Camille Jordan

... – the quantum system H, in the initial state ρ, is coupled to another quantum system K in the state ω, – we let them evolve together for a fixed time duration under the unitary evolution operator U, – we look at the state of H after this interaction. This is clearly the most general transform one co ...
See the slides
See the slides

Naturalness via scale invariance and non-trivial UV fixed points in a 4d O(N) scalar field model in the large-N limit
Naturalness via scale invariance and non-trivial UV fixed points in a 4d O(N) scalar field model in the large-N limit

The Status of our Ordinary Three Dimensions in a Quantum Universe 1
The Status of our Ordinary Three Dimensions in a Quantum Universe 1

Quantum interference in the field ionization of Rydberg atoms
Quantum interference in the field ionization of Rydberg atoms

The Age of Entanglement  Quantum Computing the (Formerly) Uncomputable
The Age of Entanglement Quantum Computing the (Formerly) Uncomputable

The Dynamics of General Relativity
The Dynamics of General Relativity

... of invariance properties (both Lorentz and “gauge” invariance) is to introduce redundant variables in the original formulation of the theory to insure that the correct transformation properties are maintained. It is this clash with the smaller number of variables needed to describe the dynamics (i. ...
Quasiclassical Coarse Graining and Thermodynamic Entropy∗
Quasiclassical Coarse Graining and Thermodynamic Entropy∗

Chu Spaces: Automata with Quantum Aspects
Chu Spaces: Automata with Quantum Aspects

Modeling the effect of elastic strain on ballistic transport and
Modeling the effect of elastic strain on ballistic transport and

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Quantum field theory

In theoretical physics, quantum field theory (QFT) is a theoretical framework for constructing quantum mechanical models of subatomic particles in particle physics and quasiparticles in condensed matter physics. A QFT treats particles as excited states of an underlying physical field, so these are called field quanta.In quantum field theory, quantum mechanical interactions between particles are described by interaction terms between the corresponding underlying fields.
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